Boat carton



FIG. 1 is a perspective view of an ornamental design for a boat carton;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear end view thereof;

FIG. 7 is a front end view thereof; and,

FIG. 8 is a flat unfolded view thereof.

The broken lines in FIGS. 1-7 are for illustrative purposes only and form no part of the design. The dotted lines in FIG. 8 depict fold lines. 

CLAIM The ornamental design for a boat carton, as shown and described. 